A concerted enzymatic de-structuring of lignocellulosic materials using a compost-derived microbial consortia favoring the consolidated pretreatment and bio-saccharification

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dc.contributor.authorRajeswari, Gunasekaran
dc.contributor.authorKumar, Vinod
dc.contributor.authorJacob, Samuel
dc.date.accessioned2024-02-28T12:13:40Z
dc.date.available2024-02-28T12:13:40Z
dc.date.issued2024-01-13
dc.description.abstractThe robustness of microbial consortia isolated from compost habitat encompasses the complementary metabolism that aids in consolidated bioprocessing (CBP) of lignocellulosic biomass (LCB) by division of labor across the symbionts. Composting of organic waste is deemed to be an efficient way of carbon recycling, where the syntrophic microbial population exerts a concerted action of lignin and polysaccharide (hemicellulose and cellulose) component of plant biomass. The potential of this interrelated microorganism could be enhanced through adaptive laboratory evolution (ALE) with LCB for its desired functional capabilities. Therefore, in this study, microbial symbionts derived from organic compost was enriched on saw dust (SD) (woody biomass), aloe vera leaf rind (AVLR) (agro-industrial waste) and commercial filter paper (FP) (pure cellulose) through ALE under different conditions. Later, the efficacy of enriched consortium (EC) on consolidated pretreatment and bio-saccharification was determined based on substrate degradation, endo-enzymes profiling and fermentable sugar yield. Among the treatment sets, AVLR biomass treated with EC-5 has resulted in the higher degradation rate of lignin (47.01 ± 0.66%, w/w) and polysaccharides (45.87 ± 1.82%, w/w) with a total sugar yield of about 60.01 ± 4.24 mg/g. In addition, the extent of structural disintegration of substrate after EC-treatment was clearly deciphered by FTIR and XRD analysis. And the factors of Pearson correlation matrix reinforces the potency of EC-5 by exhibiting a strong positive correlation between AVLR degradation and the sugar release. Thus, a consortium based CBP could promote the feasibility of establishing a sustainable second generation biorefinery framework.en_UK
dc.identifier.citationRajeswari G, Kumar V, Jacob S. (2024) A concerted enzymatic de-structuring of lignocellulosic materials using a compost-derived microbial consortia favoring the consolidated pretreatment and bio-saccharification. Enzyme and Microbial Technology, Volume 174, March 2024, Article number 110393en_UK
dc.identifier.issn0141-0229
dc.identifier.urihttps://doi.org/10.1016/j.enzmictec.2023.110393
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20895
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAdaptive laboratory evolutionen_UK
dc.subjectAloe vera leaf rinden_UK
dc.subjectBio-saccharificationen_UK
dc.subjectConsolidated pretreatmenten_UK
dc.subjectMicro-symbiontsen_UK
dc.subjectFermentable sugarsen_UK
dc.titleA concerted enzymatic de-structuring of lignocellulosic materials using a compost-derived microbial consortia favoring the consolidated pretreatment and bio-saccharificationen_UK
dc.typeArticleen_UK
dcterms.dateAccepted2023-12-29

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